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Two stories - detached, small or mid-size
421 BAY RIDGE PARKWAY
BROOKLYN · Bay Ridge · BIN 3148351
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1906Year Built
3Stories
A1Building Class
R5BZoning
2,100 sfGross Floor Area
1Units
FDNY Report ↗
Two stories - detached, small or mid-size · 1,523 sf lot · 1.38 FAR built · Flood zone X
Locations of Work
Electrical
Roof1 filing · 8 docs
Floor 11 filing · 8 docs
Site & exterior1 filing · 8 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/05/2021$1.3M—Private party → Private party$617/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC108/29/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BROOKLYN SOLARWORKS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor203/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244108/29/2024
Building Lifecycle
All (8)Filed (1)Permit Issued (1)Signed Off (1)Special Inspection (5)
12/09/2024
Signed off — Alteration
B01090506-I1
09/03/2024
Permit issued — Solar
B01090506-I1-SL
08/29/2024
Filed — Alteration
B01090506-I1
08/02/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
08/02/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
08/02/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/02/2024
Special inspection requirement — Final
NARESH MAHANGU
08/02/2024
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC09/03/2024
2 projects · most recent 08/02/2024
General Wiring
FiledStatusContractorScope
08/02/2024CompleteBROOKYLN SOLARWORKS, LLC—
06/07/2022Permit IssuedM.A.M. ELECTRIC CORPGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
08/02/2024Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
08/02/2024Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
08/02/2024Energy Code Compliance InspectionsNARESH MAHANGUprogress
08/02/2024FinalNARESH MAHANGUprogress
08/02/2024Air barrier - visual inspectionNARESH MAHANGUenergy_progress
▾Documents — 8 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/24/2026B01090506-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026B01090506-I1Open ↗
▸Seals & Professional Certifications4
▸DOB NOWProgress Inspector Seal & Signature2
08/29/2026B01090506-I1Open ↗
08/29/2026B01090506-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/24/2026B01090506-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/29/2026B01090506-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/24/2026B01090506-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01090506-I1Open ↗